Thermoresistant water bag



Feb. 14, 1933. J. F. MYKOL THERMORESISTANT WATER BAG Filed July 9, 1930 Inn Hh. Il IIHVIIIIIIIH Hllllll 111|! llnlllldh H U S11/menton, J'EMYKUL.

abkom- Patented F eb. 14, 1933 UNITED STATES PATENT OFFICE THERMORESVISTAN T WATER BAG Application led July 9,

This invention relates to liquid receptacles, and especially to an improved thermo-resistant water-bag.

One object of this invention is to provide 5 an improvedwater-bag that will keep cold water cold, and hot water hot, for a longer interval than is possible with water-bags of ordinary construction, and which is flexible and collapsible; so it is useful either for keeping and carrying cool drinking water, or for imparting heat to a patient or other person who needs local hot applications.

A further object is to provide a device of this character that is provided with an air- 5 space or air-jacket entirely inclosing the inner chamber or bag which constitutes the actual water-bag or liquid container.

Another object is to provide a device of this character that is provided with a com- O bined slingand handle, so it can be either slung over the shoulder of the user, `or carried suspended from either hand, as ahandther objects and important features are 0 pointed out or implied in the following details of description, in connection with the accompanying drawing in which:

Fig. 1 is a side elevation of my improved water-bag arranged for carrying as a handbag.

Fig. 2 is a horizontal sectional view, the carrying strap and its connections being omitted.

Fig. 3 is a fr'agmental detail showing parts 3 of two spacing elements or cords stitched or tacked to the intermediate bag or element that holds these spacing elements in their poper relation to the other parts ofthe device.

Referring to this drawing, in which simi- 0 lar reference characters correspond to similar parts in the several views, the invention is described in detail as follows:

The inner bag may be of any appropriate water-proof or Water-proofed material, but is here shown, at 5, as formed of woven fabric or canvas with an inner surface-coating 6 which may be of rubber or other-substance.

The outer bag 7 may also be of heavy and close-woven material and may be waterproofed by impregnating it with oil or other 1930. Serial No. 466,853.

Water-proof. The purpose of this intermediate element is to provide a low-cost retaining element, that is also very practical, for holding the spacing elements or cords 9 in their respective places, in spaced pairs, so as to provide air-spaces between the inner and outer bags, and thus to provide heat-insulation or thermo-resistant means between the inner and outer bags. c

When the inner bag is empty, it is collapsed, lso the air-space around it is relieved of pressure, and the entire device can be collapsed; but when the bag 5 is filled with liquid, it is extended until it bears against all the inner cords or spacing elements and expands the intermediate and outer elements 8 and 7 from their collapsed condition.

In Fig. 3, it is seen that the pair of cords 9 is stitched to the intermediate element 8 as indicated at 11. However, it should be understood that the spacing elements may be united with the intermediate element integrally or by any appropriate securing means.

An inlet and outlet element or mouth 12 l may be secured in place by any appropriate means, and a cork 13 or other closing means 80 may be provided to Iclose the mouth 12.

A carrying strap 14 may include a handle portion 15 and a sling portion 16. Carrying connections17, 18 and 19 are secured on the outer bag and on the strap 14 by any appropriate means. A snap-hook or detachable connector 20 is secured in place on an intermediate part of the strap, at the junction of the parts 15 and 16, and when engaged 90 with the connection or ring 18, combines with the latter and with the strap-section 16 and ring 17 to form a liandleor bail by which the device can be carried in one hand. When the connector 20 is disengaged from the ring 18, the entire strap and its connections 17 and 18 combine to form a sling or shoulder-strap, so the device can be carried on the body of the user.

Although I have described this embodiment of my invention specifically, I do not Lacasse intend to limit my patent protection to the i exact details of description, for the invention is susceptible of numerous changes within the scope of the inventive ideas as implied and claimed.

What I claim as my invention is:V

1. A collapsible thermo-resistant liquid receptacle in'cluding an inner collapsible receptacle, an outer collapsible receptacle, and a collapsible intermediate spacing unit having relatively thick and relatively thin parts\ and extending entirely around the inner receptacle so as to hold the outer receptacle4` spaced from the inner receptacle and to provide air-spaces for conning air between said inner and outer receptacles.

2. A collapsible thermo-resistant liquidreceptacle including an inner collapsible impervious receptacle, an outer substantially impervious collapsible receptacle, an inter-I mediate collapsible element of sheet-material, and spacing elements arranged in pairs spaced from one another to provide air-spaces between the inner and outer receptaclesJ the spacing members of each pair being united with said intermediate collapsible element and on opposite sides thereof and free from union with the inner and outer receptacles.

In testimony whereof I aix m signature. i

JOSEPH F. OL. 

